.big {
    width: 100%;
    height: 100%;
}

.header {
    width: 100%;
    background-color: #fff;
    box-shadow: 0 4px 8px 0 rgba(7,17,27,.1);
    margin-bottom: 20px;
}

header {
    height: 84px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header>ul {
    height: 84px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.headLog {
    width: 140px;
    height: 84px;
}

header>ul:nth-child(1)>li:not(:nth-child(1)),
header>ul:nth-child(2)>li:not(:nth-child(1)){
    height: 84px;
    display: flex;
    align-items: center;
    padding: 0 15px;
    cursor: pointer;
    position: relative;
}

header>ul:nth-child(1)>li:not(:nth-child(1)):hover,
header>ul:nth-child(2)>li:not(:nth-child(1)):hover,
.navActive {
    background-color: #f8f8f8;
}

.teacherpullBox,
.userpullBox {
    position: absolute;
    z-index: 1000;
    top: 100%;
    min-width: 160px;
    background-color: #fff;
    word-break: break-all;
    text-align: left;
    display: none;
}

.teacherpullBox>li {
    padding: 8px 20px;
    border-bottom: 1px solid #ccc;
}

.userpullBox>li {
    display: block;
    padding: 8px 20px;
    border-bottom: 1px solid #ccc;
} 

.teacherpullBox>li:hover {
    background-color: #f8f8f8;
    color: #30a4ff;
}

.userpullBox>li:hover.userpullBox>li>a,
.userpullBox>li:hover {
    background-color: #f8f8f8;
    color: #30a4ff;
}

header>ul:nth-child(2)>li:nth-child(1) {
    position: relative;
}

header>ul:nth-child(2)>li:nth-child(1)>i {
    position: absolute;
    top: 12px;
    right: 15px;
    font-weight: bold;
    color: #6b7076;
}

header>ul:nth-child(2)>li:nth-child(1)>input {
    width: 170px;
    height: 41px;
    border: 1px solid #000;
    border-radius: 41px;
    text-indent: 20px;
    outline: none;
}

header>ul:nth-child(2)>li:nth-child(2)>i {
    font-size: 20px;
}

header>ul:nth-child(2)>li {
    display: flex;
    align-items: center;
}

.icon-sanjiaodown {
    font-size: 10px;
}

section {
    margin: 0 auto;
}

.bread {
    display: flex;
    height: 45px;
}

.bread>li:not(:first-child)::before{
    padding: 0 5px;
    color: #ccc;
    content: "/\00a0";
}

.bread>li>a {
    color: #34495e;
}

.bread>li:hover,
.bread>li>a:hover {
    color: #30a4ff;
    cursor: pointer;
}

.bookDetails {
    display: flex;
}

.bookLeft {
    display: table-cell;
    vertical-align: top;
    padding-right: 10px;
}

.bookLeft>aside {
    border: 1px solid #e2e2e2;
    text-align: center;
    width: 340px;
    height: 380px;
    padding: 19px 10px;
    overflow: hidden;
}

.bookImg {
    vertical-align: middle;
    width: 227px;
    height: 340px;
}

.bookRight {
    display: table-cell;
    vertical-align: top;
    width: 70%;
    position: relative;
}

.bookName {
    margin: 0 0 10px 5px;
}

.bookPrice {
    display: flex;
}

.bookMsg {
    border-top: 1px dotted #ddd;
    margin: 8px 0 0 5px;
    padding-top: 8px;
}

.bookMsg>li {
    display: flex;
    line-height: 28px;
}

.bookMsg>li>label {
    display: inline-block;
    width: 50px;
    text-align: justify;
    text-align-last: justify;
    text-justify: distribute-all-lines;
}

.bookMsg>li:last-child>ol {
    display: flex;
    align-items: center;
}

.bookMsg>li:last-child>ol>li {
    display: flex;
    align-items: center;
}

.bookMsg>li:last-child>ol>li>button {
    color: inherit;
    background: white;
    border: 1px solid #e7eaec;
    padding: 3px 8px;
    /* outline: none; */
    cursor: pointer;
    font-weight: 700;
    font-size: 10px;
    line-height: 1.5;
    border-radius: 3px;
}

.inp {
    color: #000;
    width: 80px;
    margin: 0 3px;
    height: 30px;
    vertical-align: middle;
    border: 1px solid #e5e6e7;
    border-radius: 3px;
    text-align: center;
}

.bookBtns {
    position: absolute;
    bottom: 20px;
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.btns {
    display: flex;
}

.btns>div {
    width: 168px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
}

.share:hover.share>i,
.share:hover.share>span {
    color: #30a4ff;
    cursor: pointer;
}

.share {
    margin-top: 10px;
}

.bookBigImgTitle {
    display: flex;
    border-bottom: 1px solid #f2f2f2;
}

.bookBigImgTitle>li {
    border-bottom: 3px solid transparent;
    cursor: pointer;
    display: inline-block;
    padding: 0 20px 20px 20px;
    margin-bottom: 0;
}

.bookBigImgTitle>.active {
    border-color: #30a4ff;
    color: #30a4ff;
}

.bookBigImgTitle>li:hover {
    color: #30a4ff;
}

.bookBig>div:not(:first-child) {
    display: none;
}

.dis_b {
    display: block;
}

.bookBigImg {
    line-height: 18.5714282989502px;
    text-indent: 21pt;
    margin: 0 0 10px;
}

.bookBigContent>h4,
.bookBigContent>ul>li {
    margin-bottom: 10px;
}


footer {
    width: 100%;
    margin-top: 40px;
    height: 305px;
    background-color: #2e3036;
    padding: 50px 0 30px;
}

.footerContainer {
    margin: 0 auto;
}

.footer1 {
    display: flex;
    width: 100%;
    height: 127px;
}

.footer1>div {
    flex: 1;
}

.footer1>div>ul>li:not(:nth-child(1)) {
    margin-bottom: 10px;
}

.footer1>div>ul>li:not(:nth-child(1)):hover {
    color: #a1a1a1c9;
    cursor: pointer;
}

.footer1>div:last-child>h6 {
    display: flex;
    align-items: center;
}

.footer1>div:last-child {
    display: flex;
}

.footer1>div:last-child>div:last-child {
    align-self: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
}

.footer1>div:last-child>div:last-child>div {
    border-color: #666;
    width: 158px;
    height: 36px;
    border: 1px solid #666666;
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer2 {
    border-bottom: 1px solid #3c3c3c;
    line-height: 50px;
}

.footLis>span {
    font-size: 12px;
    display: inline-block;
    color: #666;
    padding: 0 10px;
    vertical-align: middle;
    margin: 0 5px;
}

.footLis>i {
    font-style: inherit;
    font-size: 10px;
}

.footerContainer>ul>li>a {
    color: #666666;
}

.notAllowed {
    cursor: not-allowed;
}

.pointer {
    cursor: pointer;
}

.logout-wp{
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.logout-box{
    position: fixed;
    display: inline-block;
    top: 20%;
    left: 50%;
    transform: translate(-50%);
    width: 420px;
    padding-bottom: 10px;
    border: 1px solid #ebeef5;
    font-size: 18px;
    box-shadow: 0 2px 12px 0 rgba(0,0,0,.1);
    text-align: left;
    overflow: hidden;
    backface-visibility: hidden;
    background-color: #fff;
}

.logout-header{
    position: relative;
    padding: 15px 15px 10px;
    
}

.logout-header__title{
    padding-left: 0;
    margin-bottom: 0;
    font-size: 20px;
    line-height: 1;
    color: #303133;
}

.logout-header__button{
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 0;
    border: none;
    outline: none;
    background: transparent;
    font-size: 16px;
    cursor: pointer;
}

.logout-content{
    padding: 10px 15px;
    color: #606266;
    font-size: 20px;
}

.logout-content-container{
    position: relative;
}

.logout-content-message{
    padding-left: 36px;
    padding-right: 12px;
}

.logout-content-message>p{
    margin: 0;
    line-height: 24px;
}

.logout-btns{
    padding: 5px 15px 0;
    text-align: right;
}

.logout-btns> button {
    width: 56px;
    height: 32px;
    border: 1px solid #dcdfe6;
    color: #606266;
    background: #fff;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    font-weight: 500;
    outline: none;
}

.logout-btns button:nth-child(2){
    margin-left: 10px;
    color: #fff;
    background-color: #409eff;
    border-color: #409eff;
}



